On 8/3/13 12:42 AM, Ricardo Ribalda Delgado wrote:
+       case V4L2_PIX_FMT_RGB32:
+               switch (dest_pix_fmt) {
+               case V4L2_PIX_FMT_RGB24:
+                       v4lconvert_rgb32_to_rgb24(src, dest, width, height, 0);
+                       break;
+               case V4L2_PIX_FMT_BGR24:
+                       v4lconvert_rgb32_to_rgb24(src, dest, width, height, 1);
+                       break;
+               case V4L2_PIX_FMT_YUV420:
+                       v4lconvert_rgb24_to_yuv420(src, dest, fmt, 0, 0, 4);
+                       break;
+               case V4L2_PIX_FMT_YVU420:
+                       v4lconvert_rgb24_to_yuv420(src, dest, fmt, 0, 1, 4);
+                       break;
+               }
+               if (src_size < (width * height * 4)) {
+                       V4LCONVERT_ERR("short rgb32 data frame\n");
+                       errno = EPIPE;
+                       result = -1;
+               }
+               break;

I have not looked at the whole function but shouldn't this sanity check happen before the actual work? Also aren't you applying the condition here also for rgb24_to_xxx which should have only three bpp?

+       case V4L2_PIX_FMT_BGR32:
+               switch (dest_pix_fmt) {
+               case V4L2_PIX_FMT_RGB24:
+                       v4lconvert_rgb32_to_rgb24(src, dest, width, height, 1);
+                       break;
+               case V4L2_PIX_FMT_BGR24:
+                       v4lconvert_rgb32_to_rgb24(src, dest, width, height, 0);
+                       break;
+               case V4L2_PIX_FMT_YUV420:
+                       v4lconvert_rgb24_to_yuv420(src, dest, fmt, 1, 0, 4);
+                       break;
+               case V4L2_PIX_FMT_YVU420:
+                       v4lconvert_rgb24_to_yuv420(src, dest, fmt, 1, 1, 4);
+                       break;
+               }
+               if (src_size < (width * height * 4)) {
+                       V4LCONVERT_ERR("short bgr32 data frame\n");
+                       errno = EPIPE;
+                       result = -1;
+               }
+               break;

Same here. And also in the other patch.


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